From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755381Ab3ADAyr (ORCPT ); Thu, 3 Jan 2013 19:54:47 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:30274 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754357Ab3ADAtv (ORCPT ); Thu, 3 Jan 2013 19:49:51 -0500 From: Yinghai Lu To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Cc: "Eric W. Biederman" , Andrew Morton , Borislav Petkov , Jan Kiszka , Jason Wessel , linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH v7u1 10/31] x86, 64bit: Don't set max_pfn_mapped wrong value early on native path Date: Thu, 3 Jan 2013 16:48:30 -0800 Message-Id: <1357260531-11115-11-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1357260531-11115-1-git-send-email-yinghai@kernel.org> References: <1357260531-11115-1-git-send-email-yinghai@kernel.org> X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We are not having max_pfn_mapped set correctly until init_memory_mapping. so don't print it initial value for 64bit Also need to use KERNEL_IMAGE_SIZE directly for highmap cleanup. Signed-off-by: Yinghai Lu --- arch/x86/kernel/head64.c | 3 --- arch/x86/kernel/setup.c | 2 ++ arch/x86/mm/init_64.c | 6 +++++- 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index a3fc233..7061d8b 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -146,9 +146,6 @@ void __init x86_64_start_kernel(char * real_mode_data) /* clear bss before set_intr_gate with early_idt_handler */ clear_bss(); - /* XXX - this is wrong... we need to build page tables from scratch */ - max_pfn_mapped = KERNEL_IMAGE_SIZE >> PAGE_SHIFT; - for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) { #ifdef CONFIG_EARLY_PRINTK set_intr_gate(i, &early_idt_handlers[i]); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 63160c6..04797e78 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -910,8 +910,10 @@ void __init setup_arch(char **cmdline_p) setup_bios_corruption_check(); #endif +#ifdef CONFIG_X86_32 printk(KERN_DEBUG "initial memory mapped: [mem 0x00000000-%#010lx]\n", (max_pfn_mapped<